*{
  margin:0;
  padding:0;
  box-sizing: border-box;
}
ul{
  list-style:none;
}
a{
  text-decoration:none;
  color:#000;
}
body{
  font-family:'Microsoft YaHei UI';
  background:#ebebeb;
  overflow-x: hidden;
}
.clear{
  clear:both;
}
html,body{
  height:100%;
}

